<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			.parent{
				position: fixed;
				top: 50px;
				left: 200px;
				width: 300px;
				height: 500px;
			}
			.child{
				position: absolute;
				background-color: yellow;
				width: 100px;
				height: 30px;
				left: 50px;
				text-align: center;
				line-height: 50px;
			}
		</style>
	</head>
	<body>
		<div class="parent">
			<img src="img/0d338744ebf81a4c510f307d9d727759252dd42a0874.webp" style="width: 300px;height: 500px;"/>
		</div>
		<div class="parent" style="opacity: 0.8;background-color:#888888;">
			<div class="child" style="top: 100px;">立即购买</div>
			<div class="child" style="top: 225px;">加入购物车</div>
			<div class="child" style="top: 2350px;">收藏</div>
		</div>
	</body>
</html>